code: def strip(monom):
      if monom.is_zero:
          return S.Zero, S.Zero
      elif monom.is_number:
          return monom, S.One
      else:
          coeff = LC(monom)
          return coeff, monom / coeff
  
imports: from functools import cmp_to_key
  from sympy.abc import x, y, z
  from sympy.core import S, diff, Expr, Symbol
  from sympy.core.sympify import _sympify
  from sympy.geometry import Segment2D, Polygon, Point, Point2D
  from sympy.polys.polytools import LC, gcd_list, degree_list, Poly
  from sympy.simplify.simplify import nsimplify
label_desc: Use image node_id 2 for calling a global function with example usage: strip(monom) and returns: S,  S, monom,  S, coeff,  unknown